<template>
    <el-menu
            default-active="/home"
            router
            class="el-menu-vertical-demo"
            @open="handleOpen"
            @close="handleClose">
        <el-submenu index="/home">
            <template slot="title">
                <i class="el-icon-location"></i>
                <span>导航一</span>
            </template>
            <el-menu-item-group>
                <template slot="title">分组一</template>
                <el-menu-item index="/home" >home
                    <!--<router-link to="/home">home</router-link>-->
                </el-menu-item>
                <el-menu-item index="/about" >about
                    <!--<router-link to="/about">about</router-link>-->
                </el-menu-item>
            </el-menu-item-group>
            <el-menu-item-group title="分组2">
                <el-menu-item index="/contact">contact</el-menu-item>
            </el-menu-item-group>
        </el-submenu>
        <el-menu-item index="2">
            <i class="el-icon-menu"></i>
            <span slot="title">导航二</span>
        </el-menu-item>
        <el-menu-item index="3">
            <i class="el-icon-document"></i>
            <span slot="title">导航三</span>
        </el-menu-item>
        <el-menu-item index="4">
            <i class="el-icon-setting"></i>
            <span slot="title">导航四</span>
        </el-menu-item>
    </el-menu>
</template>

<script lang="ts">
    import {Vue,Component,Inject, Provide, Prop, Model, Watch, Emit, Mixins } from 'vue-property-decorator'
    @Component({
        components:{ }
    })
    export default class App extends Vue {
        // 初始化数据
        msg = 123
        handleOpen(key, keyPath) {
            console.log(key, keyPath);
        };
        handleClose(key, keyPath) {
            console.log(key, keyPath);
        };

    }
</script>
<style scoped lang="scss">

</style>